Mercurial > hg > nginx-quic
view src/http/ngx_http_special_response.c @ 342:0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 26 May 2004 19:33:53 +0000 |
parents | d4241d7787fe |
children | 6bdf858bff8c |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> #include <nginx.h> static u_char error_tail[] = "<hr><center>" NGINX_VER "</center>" CRLF "</body>" CRLF "</html>" CRLF ; static u_char msie_stub[] = "<!-- The padding to disable MSIE's friendly error page -->" CRLF "<!-- The padding to disable MSIE's friendly error page -->" CRLF "<!-- The padding to disable MSIE's friendly error page -->" CRLF "<!-- The padding to disable MSIE's friendly error page -->" CRLF "<!-- The padding to disable MSIE's friendly error page -->" CRLF "<!-- The padding to disable MSIE's friendly error page -->" CRLF ; static char error_301_page[] = "<html>" CRLF "<head><title>301 Moved Permanently</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>301 Moved Permanently</h1></center>" CRLF ; static char error_302_page[] = "<html>" CRLF "<head><title>302 Found</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>302 Found</h1></center>" CRLF ; static char error_400_page[] = "<html>" CRLF "<head><title>400 Bad Request</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>400 Bad Request</h1></center>" CRLF ; static char error_403_page[] = "<html>" CRLF "<head><title>403 Forbidden</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>403 Forbidden</h1></center>" CRLF ; static char error_404_page[] = "<html>" CRLF "<head><title>404 Not Found</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>404 Not Found</h1></center>" CRLF ; static char error_405_page[] = "<html>" CRLF "<head><title>405 Not Allowed</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>405 Not Allowed</h1></center>" CRLF ; static char error_408_page[] = "<html>" CRLF "<head><title>408 Request Time-out</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>408 Request Time-out</h1></center>" CRLF ; static char error_413_page[] = "<html>" CRLF "<head><title>413 Request Entity Too Large</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>413 Request Entity Too Large</h1></center>" CRLF ; static char error_414_page[] = "<html>" CRLF "<head><title>414 Request-URI Too Large</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>414 Request-URI Too Large</h1></center>" CRLF ; static char error_416_page[] = "<html>" CRLF "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF ; static char error_500_page[] = "<html>" CRLF "<head><title>500 Internal Server Error</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>500 Internal Server Error</h1></center>" CRLF ; static char error_501_page[] = "<html>" CRLF "<head><title>501 Method Not Implemented</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>500 Method Not Implemented</h1></center>" CRLF ; static char error_502_page[] = "<html>" CRLF "<head><title>502 Bad Gateway</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>502 Bad Gateway</h1></center>" CRLF ; static char error_503_page[] = "<html>" CRLF "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF ; static char error_504_page[] = "<html>" CRLF "<head><title>504 Gateway Time-out</title></head>" CRLF "<body bgcolor=\"white\">" CRLF "<center><h1>504 Gateway Time-out</h1></center>" CRLF ; static ngx_str_t error_pages[] = { /* ngx_null_string, */ /* 300 */ ngx_string(error_301_page), ngx_string(error_302_page), ngx_null_string, /* 303 */ ngx_string(error_400_page), ngx_null_string, /* 401 */ ngx_null_string, /* 402 */ ngx_string(error_403_page), ngx_string(error_404_page), ngx_string(error_405_page), ngx_null_string, /* 406 */ ngx_null_string, /* 407 */ ngx_string(error_408_page), ngx_null_string, /* 409 */ ngx_null_string, /* 410 */ ngx_null_string, /* 411 */ ngx_null_string, /* 412 */ ngx_string(error_413_page), ngx_string(error_414_page), ngx_null_string, /* 415 */ ngx_string(error_416_page), ngx_string(error_404_page), /* 498 */ ngx_null_string, /* 499 */ ngx_string(error_500_page), ngx_string(error_501_page), ngx_string(error_502_page), ngx_string(error_503_page), ngx_string(error_504_page) }; int ngx_http_special_response_handler(ngx_http_request_t *r, int error) { ngx_int_t rc; ngx_uint_t err, i; ngx_hunk_t *h; ngx_chain_t *out, **ll, *cl; ngx_http_err_page_t *err_page; ngx_http_core_loc_conf_t *clcf; rc = ngx_http_discard_body(r); if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) { error = NGX_HTTP_INTERNAL_SERVER_ERROR; } r->headers_out.status = error; if (r->keepalive != 0) { switch (error) { case NGX_HTTP_BAD_REQUEST: case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: case NGX_HTTP_REQUEST_URI_TOO_LARGE: case NGX_HTTP_INTERNAL_SERVER_ERROR: r->keepalive = 0; } } if (r->lingering_close == 1) { switch (error) { case NGX_HTTP_BAD_REQUEST: r->lingering_close = 0; } } clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); if (r->err_ctx == NULL && clcf->error_pages) { err_page = clcf->error_pages->elts; for (i = 0; i < clcf->error_pages->nelts; i++) { if (err_page[i].status == error) { if (err_page[i].overwrite) { r->err_status = err_page[i].overwrite; } else { r->err_status = error; } r->err_ctx = r->ctx; return ngx_http_internal_redirect(r, &err_page[i].uri, NULL); } } } if (error < NGX_HTTP_BAD_REQUEST) { /* 3XX */ err = error - NGX_HTTP_MOVED_PERMANENTLY; } else if (error < NGX_HTTP_NGX_CODES) { /* 4XX */ err = error - NGX_HTTP_BAD_REQUEST + 3; } else { /* 49X, 5XX */ err = error - NGX_HTTP_NGX_CODES + 3 + 17; switch (error) { case NGX_HTTP_INVALID_HOST: r->headers_out.status = NGX_HTTP_NOT_FOUND; error = NGX_HTTP_NOT_FOUND; break; } } if (error_pages[err].len) { r->headers_out.content_length_n = error_pages[err].len + sizeof(error_tail) - 1; if (clcf->msie_padding && r->http_version >= NGX_HTTP_VERSION_10 && error >= NGX_HTTP_BAD_REQUEST && error != NGX_HTTP_REQUEST_URI_TOO_LARGE) { r->headers_out.content_length_n += sizeof(msie_stub) - 1; } if (!(r->headers_out.content_type = ngx_http_add_header(&r->headers_out, ngx_http_headers_out))) { return NGX_ERROR; } r->headers_out.content_type->key.len = sizeof("Content-Type") - 1; r->headers_out.content_type->key.data = (u_char *) "Content-Type"; r->headers_out.content_type->value.len = sizeof("text/html") - 1; r->headers_out.content_type->value.data = (u_char *) "text/html"; } else { r->headers_out.content_length_n = -1; } if (r->headers_out.content_length) { r->headers_out.content_length->key.len = 0; r->headers_out.content_length = NULL; } rc = ngx_http_send_header(r); if (rc == NGX_ERROR || r->header_only) { return rc; } if (error_pages[err].len == 0) { return NGX_OK; } out = NULL; ll = NULL; if (!(h = ngx_calloc_hunk(r->pool))) { return NGX_ERROR; } h->type = NGX_HUNK_MEMORY|NGX_HUNK_IN_MEMORY; h->pos = error_pages[err].data; h->last = error_pages[err].data + error_pages[err].len; ngx_alloc_link_and_set_hunk(cl, h, r->pool, NGX_ERROR); ngx_chain_add_link(out, ll, cl); if (!(h = ngx_calloc_hunk(r->pool))) { return NGX_ERROR; } h->type = NGX_HUNK_MEMORY|NGX_HUNK_IN_MEMORY; h->pos = error_tail; h->last = error_tail + sizeof(error_tail) - 1; ngx_alloc_link_and_set_hunk(cl, h, r->pool, NGX_ERROR); ngx_chain_add_link(out, ll, cl); if (clcf->msie_padding && r->http_version >= NGX_HTTP_VERSION_10 && error >= NGX_HTTP_BAD_REQUEST && error != NGX_HTTP_REQUEST_URI_TOO_LARGE) { if (!(h = ngx_calloc_hunk(r->pool))) { return NGX_ERROR; } h->type = NGX_HUNK_MEMORY|NGX_HUNK_IN_MEMORY; h->pos = msie_stub; h->last = msie_stub + sizeof(msie_stub) - 1; ngx_alloc_link_and_set_hunk(cl, h, r->pool, NGX_ERROR); ngx_chain_add_link(out, ll, cl); } h->type |= NGX_HUNK_LAST; return ngx_http_output_filter(r, out); }